<template>
  <div class="cart">
    <!-- 导航 -->
    <nav-bar class="nav-bar">
      <div slot="center">购物车({{length}})</div>
    </nav-bar>

    <!-- 商品的列表 -->
    <cart-list />

    <!-- 底部汇总 -->
    <cart-bottom-bar />
  </div>
</template>

<script>
import NavBar from 'components/common/navbar/NavBar' //顶部导航
import CartList from './childComps/CartList' //商品的列表
import CartBottomBar from './childComps/CartBottomBar' //底部购买汇总

import {mapGetters} from 'vuex' //mapGetters辅助函数

  export default {
    name: "Cart",
    components:{
      NavBar,
      CartList,
      CartBottomBar
    },
    computed:{
      // cartLength(){
      //   return this.$store.getters.cartLength
      // },
      // cartLength(){
      //   return this.$store.state.cartList.length
      // }
      // ...mapGetters(['cartLength','cartList'])
      ...mapGetters({
        length:'cartLength',
        list:'cartList'
      })
    }
  }
</script>

<style scoped>
  .cart {
    height: 100vh;
  }

  .nav-bar {
    background-color: var(--color-tint);
    color: #fff;
    font-weight: 700;
  }
</style>
